Fuyufuji is JPD’s “All Weather” food, this means it is best suited for cooler months, but it is also suitable for warmer weather. Being wheatgerm based it is easily digestible. It is rich in natural vitamin E and Ω-6 and Ω-3 fatty acids all of which are essential to keep koi healthy. With added Vitamin C it can drastically improve the white skin, help battle disease and lower stress levels while boosting the immune system of the koi.